Home / 45,366.27-68,005.05-20,412.60

Finding the Fourth Proportional to 45,366.27, 68,005.05 and 20,412.60

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Solution

The fourth proportional to 45,366.27, 68,005.05 and 20,412.60 is: 30,598.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,366.27 : 68,005.05 = 20,412.60 : x
  2. Step 2: Convert to fraction form
    45,366.27/68,005.05 = 20,412.60/x
  3. Step 3: Cross multiply
    45,366.27x = 68,005.05 × 20,412.60
  4. Step 4: Simplify right side
    45,366.27x = 1,388,159,883.63
  5. Step 5: Solve for x
    x = 1,388,159,883.63/45,366.27
  6. Step 6: Final answer
    x = 30,598.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.